//#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)
#define all(a) (a).begin(), (a).end()
using ll = long long;
const ll INF32 = 2e9;
const ll INF64 = 4e18;

void printYN(bool ok){
    if(ok)cout << "Yes" << endl;
    else cout << "No" << endl;
    return;
}

int main() {
    int H, W;
    cin >> H >> W;
    vector<string> S(H);
    rep(i, H)cin >> S[i];
    rep(i, H)rep(j, W-5){
        if(S[i][j]!='y'&&S[i][j]!='9')continue;
        if(S[i].substr(j, 6)=="yiwiy9"){
            S[i][j+4]='Y';
            j+=5;
            continue;
        }
        if(S[i].substr(j, 6)=="9yiwiy")S[i][j+1]='Y';
    }
    rep(i, H)cout << S[i] << endl;
    return 0;
}